update

scenes/dungeon/dungeon_manager.gd

@@ -0,0 +1,16 @@
+extends Node
+
+func _ready() -> void:
+  var player: Node = get_tree().get_first_node_in_group("player")
+  if player:
+    GameState.restore_player(player)
+  EventBus.entity_died.connect(_on_entity_died)
+
+func _on_entity_died(entity: Node) -> void:
+  if entity.is_in_group("boss"):
+    await get_tree().create_timer(2.0).timeout
+    GameState.dungeon_cleared = true
+    GameState.returning_from_dungeon = false
+    GameState.clear()
+    EventBus.dungeon_cleared.emit()
+    get_tree().change_scene_to_file("res://scenes/world/world.tscn")